KIMAX brand Nessler Color Comparison Tubes Tall Form Unmatched set of 12. 50mL. Graduated at 50 100mL. Shadowless bottoms transmit undistorted light. 24x375mm. Scale length: 275-295mm. Mentioned by APHA in Standard Wastewater/water Examination Methods. Designed from NNN-T-175 Type 1 Class 2.
KIMAX brand Nessler Color Comparison Tubes Tall Form Unmatched set of 12. 50mL. Graduated at 50 100mL. Shadowless bottoms transmit undistorted light. 24x375mm. Scale length: 275-295mm. Mentioned by APHA in Standard Wastewater/water Examination Methods. Designed from NNN-T-175 Type 1 Class 2.